What is database,one to one ,one to many and sql commands

Question

Accepted Answer

A database is a structured collection of data. One-to-one and one-to-many are types of relationships between entities in a database. SQL commands are used to interact with a database.

A database is a system for storing and managing data.
One-to-one relationship: Each record in one table is associated with only one record in another table.
One-to-many relationship: Each record in one table is associated with multiple records in another table.
SQL commands like SELECT, INSERT, UPDATE, and DELETE are used to retrieve, add, modify, and delete data in a database.

Accepted Answer

Database is a collection of dataa and it can be organized,and one to one relationship exist when one row in a table may be linked with only one row in another table and many to one in dbms is the relationship between more than one instance of entity with one instance of another entity

What is database,one to one ,one to many and sql commands

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